{"product_id":"fosroc-conbextra-hf-25kg","title":"Fosroc Conbextra HF 25kg","description":"\u003ch2 data-section-id=\"148hgm4\" data-start=\"0\" data-end=\"62\"\u003eFosroc Conbextra HF High Flow Non-Shrink Cementitious Grout\u003c\/h2\u003e\n\u003cp data-start=\"64\" data-end=\"506\"\u003eFosroc Conbextra HF is a high-flow, non-shrink cementitious grout specifically designed for free-flow grouting applications where exceptional flowability, high early strength and long-term durability are required. Suitable for gap thicknesses from 10mm to 100mm, it is ideal for large baseplates, precast concrete connections, anchoring applications and situations where access for pouring is restricted.\u003c\/p\u003e\n\u003cp data-start=\"508\" data-end=\"958\"\u003eSupplied as a pre-blended, ready-to-use dry powder, Conbextra HF requires only the addition of clean water on site to produce a highly flowable grout that will not segregate or bleed. The advanced formulation combines Portland cement, graded fillers and performance-enhancing additives to achieve excellent strength development, controlled expansion and reliable performance in demanding structural applications.\u003c\/p\u003e\n\u003cp data-start=\"960\" data-end=\"1301\"\u003eConforming to BS EN 1504-3 Class R4 and BS EN 1504-6 requirements, Conbextra HF is suitable for both structural repair and anchoring of reinforcing steel bars. Its pumping capability and excellent flow characteristics make it particularly suitable for large-scale industrial and infrastructure projects.\u003c\/p\u003e\n\u003cp data-start=\"960\" data-end=\"1301\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/conbextra-hf.png?v=1782307843\" alt=\"Fosroc Conbextra HF high flow grout\"\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"dka8qc\" data-start=\"1303\" data-end=\"1330\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"1332\" data-end=\"1839\"\u003e\n\u003cli data-section-id=\"mjggvf\" data-start=\"1332\" data-end=\"1362\"\u003eHigh-flow cementitious grout\u003c\/li\u003e\n\u003cli data-section-id=\"11conml\" data-start=\"1363\" data-end=\"1387\"\u003eNon-shrink formulation\u003c\/li\u003e\n\u003cli data-section-id=\"tcm19n\" data-start=\"1388\" data-end=\"1421\"\u003eBS EN 1504-3 Class R4 compliant\u003c\/li\u003e\n\u003cli data-section-id=\"1n7urja\" data-start=\"1422\" data-end=\"1446\"\u003eBS EN 1504-6 compliant\u003c\/li\u003e\n\u003cli data-section-id=\"4bezwa\" data-start=\"1447\" data-end=\"1494\"\u003eSuitable for anchoring reinforcing steel bars\u003c\/li\u003e\n\u003cli data-section-id=\"8sjtad\" data-start=\"1495\" data-end=\"1524\"\u003eHighly flowable consistency\u003c\/li\u003e\n\u003cli data-section-id=\"qnkw6r\" data-start=\"1525\" data-end=\"1558\"\u003eHigh early strength development\u003c\/li\u003e\n\u003cli data-section-id=\"ep8fu6\" data-start=\"1559\" data-end=\"1574\"\u003eChloride free\u003c\/li\u003e\n\u003cli data-section-id=\"myaf83\" data-start=\"1575\" data-end=\"1610\"\u003eSuitable for pumping applications\u003c\/li\u003e\n\u003cli data-section-id=\"1dkyi84\" data-start=\"1611\" data-end=\"1643\"\u003eExcellent long-term durability\u003c\/li\u003e\n\u003cli data-section-id=\"13dnsrp\" data-start=\"1644\" data-end=\"1673\"\u003eWill not segregate or bleed\u003c\/li\u003e\n\u003cli data-section-id=\"d6x9cu\" data-start=\"1674\" data-end=\"1703\"\u003eControlled expansion system\u003c\/li\u003e\n\u003cli data-section-id=\"v6ak2o\" data-start=\"1704\" data-end=\"1745\"\u003eSuitable for restricted access grouting\u003c\/li\u003e\n\u003cli data-section-id=\"zc4tpg\" data-start=\"1746\" data-end=\"1766\"\u003eHigh bond strength\u003c\/li\u003e\n\u003cli data-section-id=\"c6la2r\" data-start=\"1767\" data-end=\"1801\"\u003eExcellent freeze-thaw resistance\u003c\/li\u003e\n\u003cli data-section-id=\"1sqxz15\" data-start=\"1802\" data-end=\"1839\"\u003eFire rated Class A1 Non-Combustible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"1841\" data-end=\"1857\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1859\" data-end=\"2198\"\u003e\n\u003cli data-section-id=\"mj9tsk\" data-start=\"1859\" data-end=\"1887\"\u003eLarge stanchion baseplates\u003c\/li\u003e\n\u003cli data-section-id=\"1pzfyev\" data-start=\"1888\" data-end=\"1919\"\u003eStructural baseplate grouting\u003c\/li\u003e\n\u003cli data-section-id=\"mqssny\" data-start=\"1920\" data-end=\"1951\"\u003ePrecast concrete panel joints\u003c\/li\u003e\n\u003cli data-section-id=\"1d9x5cz\" data-start=\"1952\" data-end=\"1982\"\u003ePumped grouting applications\u003c\/li\u003e\n\u003cli data-section-id=\"m8sq\" data-start=\"1983\" data-end=\"2011\"\u003eRestricted access grouting\u003c\/li\u003e\n\u003cli data-section-id=\"kgb3ur\" data-start=\"2012\" data-end=\"2045\"\u003eReinforcing steel bar anchoring\u003c\/li\u003e\n\u003cli data-section-id=\"1l8kn5p\" data-start=\"2046\" data-end=\"2068\"\u003eTie bar installation\u003c\/li\u003e\n\u003cli data-section-id=\"jkubib\" data-start=\"2069\" data-end=\"2092\"\u003eMachine base grouting\u003c\/li\u003e\n\u003cli data-section-id=\"xh6o5a\" data-start=\"2093\" data-end=\"2120\"\u003eStructural bearing plates\u003c\/li\u003e\n\u003cli data-section-id=\"kscxd5\" data-start=\"2121\" data-end=\"2146\"\u003eInfrastructure projects\u003c\/li\u003e\n\u003cli data-section-id=\"1ent15e\" data-start=\"2147\" data-end=\"2172\"\u003eIndustrial construction\u003c\/li\u003e\n\u003cli data-section-id=\"8xj8l6\" data-start=\"2173\" data-end=\"2198\"\u003eCivil engineering works\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"858m9l\" data-start=\"2200\" data-end=\"2225\"\u003eTechnical Information\u003c\/h3\u003e\n\u003cul data-start=\"2227\" data-end=\"2759\"\u003e\n\u003cli data-section-id=\"1nghwn9\" data-start=\"2227\" data-end=\"2282\"\u003eProduct Type: High-flow non-shrink cementitious grout\u003c\/li\u003e\n\u003cli data-section-id=\"1h3nlrc\" data-start=\"2283\" data-end=\"2322\"\u003eClassification: BS EN 1504-3 Class R4\u003c\/li\u003e\n\u003cli data-section-id=\"qgmr8l\" data-start=\"2323\" data-end=\"2353\"\u003eClassification: BS EN 1504-6\u003c\/li\u003e\n\u003cli data-section-id=\"1dfy2cn\" data-start=\"2354\" data-end=\"2375\"\u003eColour: Cement Grey\u003c\/li\u003e\n\u003cli data-section-id=\"1jlg01x\" data-start=\"2376\" data-end=\"2393\"\u003ePack Size: 25kg\u003c\/li\u003e\n\u003cli data-section-id=\"163anz1\" data-start=\"2394\" data-end=\"2431\"\u003eApplication Thickness: 10mm – 100mm\u003c\/li\u003e\n\u003cli data-section-id=\"fdpm54\" data-start=\"2432\" data-end=\"2484\"\u003eWater Addition (Flowable): 4.5 litres per 25kg bag\u003c\/li\u003e\n\u003cli data-section-id=\"1ponudb\" data-start=\"2485\" data-end=\"2534\"\u003eWater Addition (Fluid): 4.8 litres per 25kg bag\u003c\/li\u003e\n\u003cli data-section-id=\"12v5k7f\" data-start=\"2535\" data-end=\"2575\"\u003eYield (Flowable): 13.25 litres per bag\u003c\/li\u003e\n\u003cli data-section-id=\"1ck2bdf\" data-start=\"2576\" data-end=\"2612\"\u003eYield (Fluid): 13.5 litres per bag\u003c\/li\u003e\n\u003cli data-section-id=\"zvfj97\" data-start=\"2613\" data-end=\"2643\"\u003eFresh Wet Density: 2130kg\/m³\u003c\/li\u003e\n\u003cli data-section-id=\"udl8vl\" data-start=\"2644\" data-end=\"2672\"\u003eEfflux Time: 26–35 seconds\u003c\/li\u003e\n\u003cli data-section-id=\"bfbuvf\" data-start=\"2673\" data-end=\"2695\"\u003eInitial Set: 6 hours\u003c\/li\u003e\n\u003cli data-section-id=\"6sfpwi\" data-start=\"2696\" data-end=\"2735\"\u003eFire Rating: Class A1 Non-Combustible\u003c\/li\u003e\n\u003cli data-section-id=\"1isbcgw\" data-start=\"2736\" data-end=\"2759\"\u003eShelf Life: 12 months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"m84lv2\" data-start=\"2761\" data-end=\"2781\"\u003ePerformance Data\u003c\/h3\u003e\n\u003ch4 data-start=\"2783\" data-end=\"2808\"\u003eCompressive Strength\u003c\/h4\u003e\n\u003cul data-start=\"2810\" data-end=\"2860\"\u003e\n\u003cli data-section-id=\"1rm93r7\" data-start=\"2810\" data-end=\"2825\"\u003e1 Day: 22 MPa\u003c\/li\u003e\n\u003cli data-section-id=\"icpcqe\" data-start=\"2826\" data-end=\"2842\"\u003e7 Days: 55 MPa\u003c\/li\u003e\n\u003cli data-section-id=\"1sc964\" data-start=\"2843\" data-end=\"2860\"\u003e28 Days: 70 MPa\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2862\" data-end=\"2880\"\u003eBond Strength\u003c\/h4\u003e\n\u003cul data-start=\"2882\" data-end=\"2891\"\u003e\n\u003cli data-section-id=\"l0j6ji\" data-start=\"2882\" data-end=\"2891\"\u003e2.6 MPa\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2893\" data-end=\"2913\"\u003eElastic Modulus\u003c\/h4\u003e\n\u003cul data-start=\"2915\" data-end=\"2925\"\u003e\n\u003cli data-section-id=\"1wis7pi\" data-start=\"2915\" data-end=\"2925\"\u003e32.7 GPa\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2927\" data-end=\"2949\"\u003eFlexural Strength\u003c\/h4\u003e\n\u003cul data-start=\"2951\" data-end=\"2971\"\u003e\n\u003cli data-section-id=\"euhfwq\" data-start=\"2951\" data-end=\"2971\"\u003e5.5 MPa at 28 Days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2973\" data-end=\"2994\"\u003eTensile Strength\u003c\/h4\u003e\n\u003cul data-start=\"2996\" data-end=\"3016\"\u003e\n\u003cli data-section-id=\"14enoem\" data-start=\"2996\" data-end=\"3016\"\u003e3.7 MPa at 28 Days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"3018\" data-end=\"3043\"\u003ePull-Out Performance\u003c\/h4\u003e\n\u003cul data-start=\"3045\" data-end=\"3096\"\u003e\n\u003cli data-section-id=\"oj8g9p\" data-start=\"3045\" data-end=\"3070\"\u003e0.44mm Dry Test at 75kN\u003c\/li\u003e\n\u003cli data-section-id=\"oxia43\" data-start=\"3071\" data-end=\"3096\"\u003e0.43mm Wet Test at 75kN\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"ul2pwc\" data-start=\"3098\" data-end=\"3128\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp data-start=\"3130\" data-end=\"3171\"\u003e\u003cstrong data-start=\"3130\" data-end=\"3171\"\u003eWhat is Fosroc Conbextra HF used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3173\" data-end=\"3332\"\u003eConbextra HF is used for free-flow grouting applications including baseplates, precast concrete joints, reinforcing bar anchoring and pumped grouting projects.\u003c\/p\u003e\n\u003cp data-start=\"3334\" data-end=\"3384\"\u003e\u003cstrong data-start=\"3334\" data-end=\"3384\"\u003eWhat thickness can Conbextra HF be applied at?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3386\" data-end=\"3461\"\u003eIt can be applied in sections from 10mm up to 100mm thick in a single pour.\u003c\/p\u003e\n\u003cp data-start=\"3463\" data-end=\"3494\"\u003e\u003cstrong data-start=\"3463\" data-end=\"3494\"\u003eCan Conbextra HF be pumped?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3496\" data-end=\"3611\"\u003eYes. The grout has been specifically designed for pumped grouting applications and restricted access installations.\u003c\/p\u003e\n\u003cp data-start=\"3613\" data-end=\"3656\"\u003e\u003cstrong data-start=\"3613\" data-end=\"3656\"\u003eDoes Conbextra HF shrink during curing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3658\" data-end=\"3733\"\u003eNo. It is a non-shrink grout formulated with a controlled expansion system.\u003c\/p\u003e\n\u003cp data-start=\"3735\" data-end=\"3781\"\u003e\u003cstrong data-start=\"3735\" data-end=\"3781\"\u003eWhat compressive strength does it achieve?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3783\" data-end=\"3870\"\u003eConbextra HF achieves 22 MPa after 1 day, 55 MPa after 7 days and 70 MPa after 28 days.\u003c\/p\u003e\n\u003cp data-start=\"3872\" data-end=\"3924\"\u003e\u003cstrong data-start=\"3872\" data-end=\"3924\"\u003eIs it suitable for anchoring reinforcement bars?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3926\" data-end=\"3998\"\u003eYes. It complies with BS EN 1504-6 for anchoring reinforcing steel bars.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1l5c8yq\" data-start=\"4000\" data-end=\"4012\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003chr data-start=\"1943\" data-end=\"1946\"\u003e\n\u003cp data-start=\"3838\" data-end=\"3914\"\u003e\u003cstrong\u003eDownloads\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3838\" data-end=\"3914\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/conbextra_hf_data_sheet.pdf?v=1782307924\" title=\"Conbextra HF Data Sheet\"\u003eData sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Fosroc","offers":[{"title":"25KG","offer_id":57217010008439,"sku":"FOSCONBEXTRAHF25","price":22.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/conbextra-hf.png?v=1782307843","url":"https:\/\/clevershieldcoatings.co.uk\/products\/fosroc-conbextra-hf-25kg","provider":"Clever Shield - Asset Protection","version":"1.0","type":"link"}